Abstract:
A liquid crystal device and a manufacturing method thereof are described. The device comprises a liquid crystal panel and an auxiliary panel formed with an IC circuit for supplying driving signals to the liquid crystal device. The auxiliary substrate is separately provided with the circuit and the function thereof is tested in advance of the assembling with the liquid crystal panel. By this procedure, the yield is substantially improved.
Abstract:
A panel substrate includes a substrate, a plurality of display electrodes running in parallel on the substrate, and a plurality of wirings respectively continuous from the display electrodes formed on the substrate. The display electrodes and the wirings respectively have a bilayer structure of a transparent conductive layer and a metal layer. The metal layer of the display electrode is substantially narrower in width than the width of the transparent conductive layer.
Abstract:
A liquid crystal display device is adopted, which is characterized by having a pair of transparent substrates facing each other with a liquid crystal layer sandwiched, transparent electrodes, interconnect wirings, a control circuit device wherein an electrode pad to be connected to an original terminal of the control circuit device is formed at the tip ends of the interconnect wirings, and an island transparent dummy pad to be connected to a dummy terminal of the control circuit device is disposed, the island transparent dummy pad is adjacent to the electrode pads but separate from the interconnect wirings.
Abstract:
The invention relates to a novel wireless type of component used for all kinds of connections to ESD sensitive devices such as a slider, pre-amp, to micro-actuator etc of a disk drive in a magnetically data-storing memory. The invention provides an effective solution for overcoming ESD damage of the ESD sensitive device due to tribo-charges or any static charges induced in a wireless type of component by applying a dissipative layer onto the top surface of the conventional wireless type of component so as to prevent from inducing charges in the process of connection of the wireless type of component to the ESD sensitive device.
Abstract:
An improved method of forming an electrode pattern on a substrate is described. The substarate is coated with a first conductive film and subjected to baking. On the first conductive film is then overlied a second conductive film which mends possible fissures of the first conductive film which, besides, would produce open circuits in the pattern.
Abstract:
The invention relates to a process for chemically etching a layer (2) having electrical conduction properties, on a transparent substrate (1) of the glass type. It includes at least one step of depositing a mask (3) comprising at least one hot-melt ink on the layer to be etched.
Abstract:
A gas discharge display device comprising a front side substrate having a plurality of first electrodes and a back side substrate having a plurality of second electrodes, wherein at least said first electrodes or second electrodes are formed by wet etching using a resist made of an inorganic material, is excellent in the ability to suppress the breakage of wiring in electrodes.
Abstract:
A selective call receiver (900) includes a ceramic substrate (820) for conveying an electrical signal. The ceramic substrate (820) has at least one solder pad which includes a solder pad area (110) of an electrical conductor (120) on the ceramic substrate and a solder wettable layer (210). The electrical conductor (120) consists essentially of a conductive ceramic material. The solder wettable layer (210) is attached to the solder pad area (110). The solder wettable layer (210) includes at least 50% indium by weight. A circuit device (410) has at least one circuit terminal which is soldered to the at least one solder pad of the ceramic substrate (820) for electrical interconnection to another circuit device (410) in the selective call receiver (900).
Abstract:
A solder pad for mechanically and electrically coupling solder terminals (420) of electronic devices (410) to a non-conductive ceramic substrate (130) includes a solder pad portion (110) of a conductive runner (120) and a solder wettable layer (210). The solder pad portion (110) of the conductive runner (120) is on the non-conductive ceramic substrate (130). The conductive runner (120) consists essentially of a conductive ceramic material. The solder wettable layer (210) is attached to the solder pad portion (110). The solder wettable layer (210) includes at least 50% indium by weight.
Abstract:
A liquid crystal apparatus includes a liquid crystal panel side electrode extending from a liquid crystal panel and an external circuit side electrode extending from an external circuit and connected to the liquid crystal panel side electrode for driving the liquid crystal panel, by using conductive material. The liquid crystal panel side electrode includes a laminated film made of an indium tin oxide film having a surface and a metal film on the surface. The metal film is selected from one of a molybdenum film and an aluminum film. The liquid crystal panel side electrode has a left portion of the metal film and an indium tin oxide film opening area, at a connection area between the liquid crystal panel side electrode and the external circuit side electrode. The indium tin oxide film of the liquid crystal panel side electrode is covered with the metal film over the entire surface thereof. The liquid crystal panel side electrode is formed in a stripe shape, and the left portion of the metal film of the liquid crystal panel side electrode at the connection area is formed to have a width 1/30 to 1/3 times as narrow as a width of the stripe.